D

Display Component Recycling

Å WARNING: The backlight contains mercury. Caution should be exercised when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury.

Ä CAUTION: The procedures in this appendix can result in damage to display components. The only components intended for recycling purposes are the liquid crystal display (LCD) panel and the backlight.

Careful handling should be exercised when removing these components.

✎

Materials Disposal

This HP product contains mercury in the display assembly backlight and may require special handling at end-of-life.

Disposal of mercury may be regulated because of environmental considerations. For disposal or recycling information, contact your local authorities or visit the Electronic Industries Alliance

(EIA) at http://www.eiae.org

.

Maintenance and Service Guide D–1

Display Component Recycling

This appendix provides disassembly instructions for the display assembly. The display assembly must be disassembled to gain access to the backlight 1 and the LCD panel 2.

D–2

✎

Disassembly procedures differ from one display assembly to another. The procedures provided in this appendix are general disassembly instructions. Specific details, such as screw sizes, quantities, and locations, and component shapes and sizes, can vary from one computer model to another.

Refer to

Section 5.14, “Display Assembly,”

for display assembly disassembly steps.

Maintenance and Service Guide

Display Component Recycling

Perform the following steps to disassemble the display assembly:

1. Remove all screw covers 1 and screws 2 that secure the display bezel to the display assembly.

Removing the Display Bezel Screw Covers and Screws

Maintenance and Service Guide D–3

Display Component Recycling

2. Lift up and out on the left and right inside edges 1 and the top and bottom inside edges 2 of the display bezel until the bezel disengages from the display assembly.

3. Remove the display bezel 3.

Removing the Display Bezel

D–4 Maintenance and Service Guide

Display Component Recycling

4. Disconnect all LCD panel cables 1 from the display inverter board and remove the inverter board 2.

Removing the Display Inverter Board

Maintenance and Service Guide D–5

Display Component Recycling

5. Remove all screws 1 that secure the LCD panel to the display enclosure.

6. Remove the LCD panel 2 from the display enclosure.

Removing the LCD Panel

D–6 Maintenance and Service Guide

Display Component Recycling

7. Turn the LCD panel upside down.

8. Remove all screws that secure the LCD panel frame to the LCD panel.

Removing the LCD Panel Frame Screws

Maintenance and Service Guide D–7

Display Component Recycling

9. Use a sharp-edged tool to cut the tape 1 that secures the side of the LCD panel to the LCD panel frame.

10. Remove the LCD panel frame 2 from the display panel.

Removing the LCD Panel Frame

D–8 Maintenance and Service Guide

Display Component Recycling

11. Remove the screws 1 that secure the backlight cover to the LCD panel.

12. Lift the top edge of the backlight cover 2 and swing it forward.

13. Remove the backlight cover.

Removing the Backlight Cover

Maintenance and Service Guide D–9

Display Component Recycling

14. Turn the LCD panel right-side up.

15. Remove the backlight cables 1 from the clip 2 in the

LCD panel.

Releasing the Backlight Cables

D–10 Maintenance and Service Guide

Display Component Recycling

16. Turn the LCD panel upside down.

17. Remove the backlight frame from the LCD panel.

Removing the Backlight Frame

Maintenance and Service Guide D–11

Display Component Recycling

Å WARNING: The backlight contains mercury. Caution should be exercised when removing and handling the backlight to avoid damaging this component and causing exposure to the mercury.

18. Slide the backlight out of the backlight frame.

Removing the Backlight

D–12 Maintenance and Service Guide

Display Component Recycling

19. Disconnect the display cable 1 from the LCD panel.

20. Remove the screws 2 that secure the LCD panel to the LCD rear panel.

21. Release the LCD panel 3 from the LCD rear panel.

22. Release the tape 4 that secures the LCD panel to the

LCD rear panel.

Releasing the LCD Panel

Maintenance and Service Guide D–13

Display Component Recycling

23. Remove the LCD panel.

Removing the LCD Panel

24. Recycle the backlight and LCD panel.

D–14 Maintenance and Service Guide